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Capillary samples obtained by skin prick, generally from the heel or toe, have a higher
hemoglobin Concentration than simultaneously collected venous samples. So, capillary values
should not be compared to previously obtained cord venous blood values when one is looking
for changes in hemoglobin, concentration during the first week of life. Cord venous blood
hemoglobin and hemotocrit of 309 normal newborn infants have been... |
